Apple · Multiple Products
CVE-2021-1782
Apple Multiple Products Race Condition Vulnerability
무엇인가
A race condition was addressed with improved locking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A malicious application may be able to elevate privileges. Apple is aware of a report that this issue may have been actively exploited..
CISA: Apple iOS, iPadOs, macOS, watchOS, and tvOS contain a race condition vulnerability that may allow a malicious application to elevate privileges.
할 일
Apply updates per vendor instructions.
미국 연방 기관 조치 기한: 2021년 11월 17일
Apple의 다른 악용된 결함
| 추가됨 | 취약점 | 제품 | 심각도 | 공격 가능성 |
|---|---|---|---|---|
| 2026. 9. 29. | Out-of-Bounds Write | Multiple Products | 높음 8.8 | 26% |
| 2026. 3. 20. | Buffer Overflow | Multiple Products | 높음 8.8 | 1.7% |
| 2026. 3. 20. | Improper Locking | Multiple Products | 높음 7.8 | 0.4% |
| 2026. 3. 20. | Classic Buffer Overflow | Multiple Products | 보통 5.5 | 0.4% |
| 2026. 3. 5. | Integer Overflow or Wraparound | Multiple Products | 높음 8.8 | 7.0% |
| 2026. 3. 5. | Use-After-Free | Multiple Products | 높음 8.8 | 4.0% |
| 2026. 2. 12. | Multiple Buffer Overflow | Multiple Products | 높음 7.8 | 1.7% |
| 2025. 12. 15. | Use-After-Free WebKit | Multiple Products | 높음 8.8 | 26% |
출처: Known Exploited Vulnerabilities(CISA, 퍼블릭 도메인), CVE records(cve.org), EPSS(FIRST). 공격 가능성은 누군가 향후 30일 안에 이 결함을 악용하려 할 확률에 대한 EPSS 추정치입니다.